On Tue, Aug 17, 2010 at 5:38 PM, Benny Prijono <bennylp at teluu.com> wrote: > 2010/8/17 Kabil Akp?nar <kabilakpinar at gmail.com>: > > SIP is used by audio applications mostly, sound is the main concern of > SIP. > > But one might use SIP for other types of applications like stated in RFCs > > "white board". Also SDP can be used to describe application specific data > > rather sound encoding/decoding schema. > > How can I use pjsip in order to create an application dealing with raw > data > > rather than sound and how can I modify SDP to accomplish that. > > Your directions are very welcome > > > > As you can see in library architecture diagram in > http://www.pjsip.org/docs.htm, the libraries in PJSIP distro are > arranged in layers. The PJSUA-LIB, as the highest abstraction, is tied > up with media (audio, in this case. video is coming though ;-), Indeed I am used to those layers. And As you said I will need to create a layer similar to PJSUA but for raw data. The layer will need pjmedia and pjsip. And you said video? really? and when? :) > to > make it easy to use, and currently does not support other media in the > SDP (unless if you hack it of course). > Well higher level is really bound to audio as far as I digged the source code. > > But if you work with the lower level invite session directly (see > [1]), you have full control over the SDP content that will be > negotiated by the session, so at this level any media in the SDP is > supported. > I will check it out. > [1] http://www.pjsip.org/pjsip/docs/html/group__PJSIP__INV.htm > Cheers > Benny > > _______________________________________________ > Visit our blog: http://blog.pjsip.org > > pjsip mailing list > pjsip at lists.pjsip.org > http://lists.pjsip.org/mailman/listinfo/pjsip_lists.pjsip.org > -- Kabil Akp?nar -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.pjsip.org/pipermail/pjsip_lists.pjsip.org/attachments/20100817/076723d3/attachment.html>
